Ken Shimizu
25Patents
6h-index
65Co-inventors
72Inventor score
Filing activity: Aug 21, 1979 → Nov 18, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4297725A | Method for measurement of displacement of moving body by use of target mark and apparatus therefor | Physics | 32 | Expired |
| US5919844A | Epoxy resin composition | Electricity | 25 | Expired |
| US6005034A | Propylene-ethylene copolymer composition and process for producing the same | Chemistry; Metallurgy | 24 | Expired |
| US6530253B1 | Method for producing cylindrical member having spline grooves, and cylindrical member having spline grooves | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6121735A | Actuator with start-stop operation | Physics | 13 | Expired |
| US6147152A | Polypropylene resin compositions and interior automotive trim parts | Chemistry; Metallurgy | 7 | Expired |
| US6749806B2 | Method of sterilizing mildews and/or fungi in the state of spores and sterilization apparatus therefor | Human Necessities | 6 | Expired |
| US6982484B2 | Semiconductor joining substrate utilizing a tape with adhesive and copper-clad laminate sheet | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5432216A | Polyacetal resin composition | Chemistry; Metallurgy | 5 | Expired |
| US6699421B2 | Method for forming foamed polypropylene resin sheet and foamed formed article | Chemistry; Metallurgy | 5 | Expired |
| US5854316A | Epoxy resin composition | Electricity | 4 | Expired |
| US7140103B2 | Process for the production of high-density printed wiring board | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6797378B2 | Organic fiber filler-containing polypropylene resin composition and molded article using the same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US11794170B2 | TWC catalysts containing high dopant support | Emerging Cross-Sectional Technologies | 1 | Active |
| US7760440B2 | Zoom lens | Physics | 1 | Active |
| US10256450B2 | Laminated porous membrane, process for manufacturing same and separator for battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US7536937B2 | Cutting method of fabric material | Emerging Cross-Sectional Technologies | 0 | Expired |
| US8956467B2 | Composite steel part and manufacturing method for the same | Chemistry; Metallurgy | 0 | Active |
| US7633019B2 | Combination weighing device, bag-manufacturing and packaging system and combination weighing system provided with the same | Performing Operations; Transporting | 0 | Active |
| US11427069B2 | Vehicle drive device | Emerging Cross-Sectional Technologies | 0 | Active |
| US7816612B2 | Rotary measuring device | Physics | 0 | Active |
| US9023506B2 | Battery separator, and battery separator manufacturing method | Emerging Cross-Sectional Technologies | 0 | Active |
| US10056595B2 | Battery separator, and method for producing same | Emerging Cross-Sectional Technologies | 0 | Active |
| US8211978B2 | Moldability modifier and polypropylene resin composition using the same | Chemistry; Metallurgy | 0 | Active |
| US9293754B2 | Battery separator, and battery separator manufacturing method | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.